Disclosure summary
GCC v12.0 was discovered to contain an uncontrolled recursion via the component libiberty/rust-demangle.c. This vulnerability allows attackers to cause a Denial of Service (DoS) by consuming excessive CPU and memory resources.
Source-reported weakness categories
CWE-674
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2021-46195
Open original source · Updated Oct 08, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| gnu | gcc | 12.0 |
Original records & references
- NIST NVD record
- CVE Program record
- gcc.gnu.org — Exploit, Issue Tracking, Vendor Advisory
- gcc.gnu.org — Exploit, Issue Tracking, Vendor Advisory
PUBLISHED 2022-01-14T15:15:15-05:00
MODIFIED 2026-10-08T18:17:14-04:00
INGESTED 2026-10-10T20:50:21-04:00